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#!/usr/bin/perl
use strict;
use warnings;
@ARGV == 2 or die "Usage: gcov-gen-html \$ERL_TOP <output directory>\n";
my $srcdir = shift @ARGV;
my $outdir = shift @ARGV;
my $verbose = 1;
my $flavor = "smp";
# setup filenames and paths, observe geninfos --base-directory
# it needs a correct path just after the $geninfo
my $lcov_path = ""; #/usr/local/bin/";
my $geninfo = $lcov_path . "geninfo --no-checksum --base-directory";
my $genhtml = $lcov_path . "genhtml";
# src paths
my $emu_src_path = "$srcdir/erts/emulator";
my $elib_src_path = "$srcdir/erts/lib_src";
my $pcre_src_path = "$emu_src_path";
my $zlib_src_path = "$emu_src_path";
# obj paths
my $emu_obj_path = <$emu_src_path/obj/*-linux-*/gcov/$flavor>;
my $elib_obj_path = <$elib_src_path/obj/*-linux-*/gcov>;
my $pcre_obj_path = <$emu_src_path/pcre/obj/*-linux-*/gcov>;
my $zlib_obj_path = <$emu_src_path/zlib/obj/*-linux-*/gcov>;
# info files
my $emu_info = "$srcdir/emulator-cover.info";
my $elib_info = "$srcdir/elib-cover.info";
my $pcre_info = "$srcdir/pcre-cover.info";
my $infofiles = "$emu_info $elib_info $pcre_info";
run("$geninfo $emu_src_path -o $emu_info $emu_obj_path");
run("$geninfo $elib_src_path -o $elib_info $elib_obj_path");
run("$geninfo $pcre_src_path -o $pcre_info $pcre_obj_path");
if (<$zlib_obj_path/*.o>) {
my $zlib_info = "$srcdir/zlib-cover.info";
$infofiles .= " $zlib_info";
run("$geninfo $zlib_src_path -o $zlib_info $zlib_obj_path");
}
run("$genhtml -o $outdir $infofiles");
sub run {
my $cmd = shift;
print STDERR "\nrun($cmd)\n" if $verbose > 0;
system("$cmd 2>&1") == 0 or die "\nCan't run \"$cmd\": $?";
}
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